Johnson Thruster Drum Brakes

Johnson Thruster Drum Brakes

The Johnson thruster drum brake is currently available in 16 models.This brake unit features a standard Eltma Elhy EB series IP56 enclosed thruster, fabricated steel mechanism, major pivots non-ferrous bushed and non asbestos friction linings made for high temperature. This thruster drum brake is used for applications such as mechanical handling equipment, cranes, winches, stacker reclaimers, ski lifts, and conveyers etc.

  • Standard EB Series:
  • Fluid; transformer oil BS148 typical Shell diala ‘B’
  • Approximate operating times: brake release 0.1 seconds
  • Brake set 0.25 -0.5 seconds depending on size and brake spring load.
  • Eldro/Elhy/Elco to din 15430.
  • DC Custom
  • Thrusters Also type KT/TKF can be supplied.
  • Flame proof available
  • Self adjusting mechanism
  • Mechanical release lever
  • Limit switches to monitor release/ set or wear
  • Hydraulic override by remote pedal
  • Electronic modulated torque by remote pedal
  • Reverse brake mechanism thruster to apply
  • Soft stop, or soft set
  • Special materials and finishes as required, including high integrity requirements.
  •  High temperature viton seals.
  •  Internal preset hydraulic delay valve(s)
  •  Dust protecting hood
  •  Internal return c-spring
  •  Converter unit to operate from DC supply 220-440V
  •  Explosion proof design EExd Group I and II
  • Metric as DIN standard code: DL
  • Imperial as A.I.S.E. standard code: SMLA
  • Also non-standard drum sizes and base fixings
DIN Brake Model Data
BRAKE
MODEL
DRUM
DIA. “D”
THRUSTER
MODEL RANGE
TORQUE
RANGE
WEIGHT
mm Nm kg
GDL160 160 EB120-EB220 79 to 131 29
GDL200 200 EB120-EB300 127 to 344 33
GDL250 250 EB220-EB50 285 to 680 39
GDL315 315 EB300-EB80 505 to 1235 80
GDL400 400 EB50-EB125 1080 to 2860 112
GDL500 500 EB80-EB150 3380 to 6000 181
GDL630 630 EB125-EB250 3700 to 7150 281
GDL710 710 EB250-EB3000 7750 to 10700 388

 

AISE Brake Model Data
BRAKE
MODEL
DRUM
DIA. “D”
THRUSTER
MODEL RANGE
TORQUE
RANGE
WEIGHT
in Lbft Lb
SMLA6 6 EB120-EB220 58 to 96 64
SMLA8 8 EB120-EB300 94 to 254 73
SMLA10 10 EB220-EB50 210 to 500 86
SMLA13 13 EB300-EB80 375 to 911 176
SMLA16 16 EB50-EB125 797 to 2110 246
SMLA19 19 EB80-EB150 2494 to 4428 398
SMLA23 23 EB125-EB250 2730 to 5276 618
SMLA30 30 EB250-EB3000 6140 to 8475 880